US Bridges

SH 56 over Mustang Creek

Fair

Grayson County, Texas · 5.2 MI E of US 377 · Structure no. 010920004502012

Built
1930
95 years old, rebuilt 1954
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
65 ft
2 main spans
Daily traffic
2,464
2020 count
Owner
State
State Highway Agency

About this bridge

SH 56 over Mustang Creek is a concrete tee beam carrying SH 56 over Mustang Creek in Grayson County, Texas. It was built in 1930 and reconstructed in 1954, so it is 95 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,464 vehicles a day, roughly 6% of them trucks, projected to reach 3,290 by 2033. The structure is 65 ft (19.8 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 56
CrossesMustang Creek
Location5.2 MI E of US 377
RouteState Highway 56
CountyGrayson County
StateTexas
Coordinates33.63506, -96.82054
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length65 ft (19.8 m)
Longest span32 ft (9.8 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,464 (2020)
Projected traffic3,290 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 56 over Mustang Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1954.

What condition is SH 56 over Mustang Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does SH 56 over Mustang Creek carry?

About 2,464 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 56 over Mustang Creek?

The structure is 65 ft (19.8 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.

Who owns SH 56 over Mustang Creek?

It is owned by the State Highway Agency.